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Publications

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    • All HBS Web  (1,532)
      • Faculty Publications  (214)

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      • May 2022
      • Case

      Rawbank's Illico Cash: Can 'Fast Money' Overcome Cash Dependency in the DRC?

      By: Lauren Cohen and Grace Headinger
      Thomas de Dreux-Brézé, the Head of Strategy and Project Management at Rawbank Congo in the Democratic Republic of the Congo (DRC), was perplexed as he reviewed annual adoption rates for the bank’s launch of Illico Cash 2.0. As the bank’s mobile money app, Illico Cash...  View Details
      Keywords: Fintech; Inflation; Deflation; Rural; Urban; Emerging Market; Mobile Technology; Finance; Money; Inflation and Deflation; Business Growth and Maturation; Decision Choices and Conditions; Demographics; Developing Countries and Economies; Corporate Entrepreneurship; Behavioral Finance; Currency; Banks and Banking; Commercial Banking; Financial Strategy; Rural Scope; Urban Scope; Innovation Strategy; Emerging Markets; Network Effects; Consumer Behavior; Mobile and Wireless Technology; Technology Adoption; Banking Industry; Financial Services Industry; Technology Industry; Congo, Democratic Republic of the
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      Cohen, Lauren, and Grace Headinger. "Rawbank's Illico Cash: Can 'Fast Money' Overcome Cash Dependency in the DRC?" Harvard Business School Case 222-084, May 2022.
      • Article

      Why Build in Web3

      By: Jad Esber and Scott Duke Kominers
      A major change is coming to the internet. While today’s dominant platforms have guarded their troves of user data and maintained an advantage through network effects, new companies—working in what they're calling a “Web3” model—are proposing a new value proposition to...  View Details
      Keywords: Blockchain; User Experience; Digital Platforms; Network Effects; Internet and the Web; Competition; Web Services Industry
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      Esber, Jad, and Scott Duke Kominers. "Why Build in Web3." Harvard Business Review Digital Articles (May 16, 2022).
      • 2022
      • Article

      Probing GNN Explainers: A Rigorous Theoretical and Empirical Analysis of GNN Explanation Methods.

      By: Chirag Agarwal, Marinka Zitnik and Himabindu Lakkaraju
      As Graph Neural Networks (GNNs) are increasingly employed in real-world applications, it becomes critical to ensure that the stakeholders understand the rationale behind their predictions. While several GNN explanation methods have been proposed recently, there has...  View Details
      Keywords: Graph Neural Networks; Explanation Methods; Mathematical Methods; Framework; Theory; Analysis
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      Agarwal, Chirag, Marinka Zitnik, and Himabindu Lakkaraju. "Probing GNN Explainers: A Rigorous Theoretical and Empirical Analysis of GNN Explanation Methods." Proceedings of the International Conference on Artificial Intelligence and Statistics (AISTATS) 25th (2022).
      • April 2022
      • Supplement

      Mastercard Labs (B)

      By: Linda A. Hill, Sunil Gupta, Emily Tedards and Julia Kelley
      When Ajaypal (Ajay) Banga became the CEO of Mastercard in 2010, digital technologies were on the rise, and innovation needed to become a strategic imperative at the company. Banga tasked Garry Lyons, who had joined Mastercard through the 2009 acquisition of Orbiscom,...  View Details
      Keywords: Organizational Behavior; Culture; Transformation; Organizational Culture; Culture Change; Organizational Adaptation; Organizational Effectiveness; Alignment; Leadership; Leadership Development; Innovation; Innovation Ecosystems; Diversity; Collaboration; Co-creation; Learning Organizations; Empowerment; Ecosystem; Agility; Prototype; Experiment; Partnerships; Operating Model; Risk Management; Digital Transformation; Metrics; Payments; Financial Industry; Financial Inclusion; Ambidexterity; Corporate Innovation; Innovation Lab; Accelerator; Start-up; Fintech
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      Hill, Linda A., Sunil Gupta, Emily Tedards, and Julia Kelley. "Mastercard Labs (B)." Harvard Business School Supplement 422-081, April 2022.
      • April 2022 (Revised May 2022)
      • Case

      Mastercard Labs (A)

      By: Linda A. Hill, Sunil Gupta, Emily Tedards and Julia Kelley
      When Ajaypal (Ajay) Banga became the CEO of Mastercard in 2010, he shifted the company’s competitive focus from card networks to cash itself. Mastercard’s new vision of a “World Beyond Cash” distilled into a three-pronged framework: Grow the core business, Diversify...  View Details
      Keywords: Organizational Behavior; Culture; Organizational Culture; Culture Change; Organizational Adaptation; Organizational Effectiveness; Alignment; Leadership; Leadership Development; Innovation; Innovation Ecosystems; Ecosystem; Diversity; Collaboration; Co-creation; Learning Organizations; Empowerment; Globalization; Agility; Prototype; Experiment; Partnerships; Operating Model; Risk Management; Metrics; Payments; Financial Inclusion; Financial Industry; Ambidexterity; Corporate Innovation; Innovation Lab; Digital Transformation
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      Hill, Linda A., Sunil Gupta, Emily Tedards, and Julia Kelley. "Mastercard Labs (A)." Harvard Business School Case 422-080, April 2022. (Revised May 2022.)
      • April 2022 (Revised May 2022)
      • Case

      Mastercard Labs (A) (Abridged)

      By: Linda A. Hill, Sunil Gupta, Emily Tedards and Julia Kelley
      When Ajaypal (Ajay) Banga became the CEO of Mastercard in 2010, he shifted the company’s competitive focus from card networks to cash itself. Mastercard’s new vision of a “World Beyond Cash” distilled into a three-pronged framework: Grow the core business, Diversify...  View Details
      Keywords: Organizational Behavior; Culture; Organizational Culture; Culture Change; Organizational Adaptation; Organizational Effectiveness; Alignment; Leadership; Leadership Development; Innovation; Innovation Ecosystems; Diversity; Collaboration; Co-creation; Learning Organizations; Empowerment; Ecosystem; Agility; Prototype; Experiment; Partnerships; Operating Model; Risk Management; Metrics; Payments; Financial Inclusion; Financial Industry; Ambidexterity; Corporate Innovation; Innovation Lab; Accelerator; Start-up; Intrapreneurship; Competitive Strategy; Business Model; Technological Innovation; Growth and Development Strategy; Digital Transformation
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      Hill, Linda A., Sunil Gupta, Emily Tedards, and Julia Kelley. "Mastercard Labs (A) (Abridged)." Harvard Business School Case 422-082, April 2022. (Revised May 2022.)
      • April 2022
      • Article

      The Past Is Prologue? Venture-Capital Syndicates' Collaborative Experience and Start-Up Exits

      By: Dan Wang, Emily Cox Pahnke and Rory McDonald
      Past research has produced contradictory insights into how prior collaboration between organizations—their relational embeddedness—impacts collective collaborative performance. We theorize that the effect of relational embeddedness on collaborative success is...  View Details
      Keywords: Inter-organizational Networks; Collaboration; Entrepreneurship; Networks; Organizations; Performance; Venture Capital
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      Wang, Dan, Emily Cox Pahnke, and Rory McDonald. "The Past Is Prologue? Venture-Capital Syndicates' Collaborative Experience and Start-Up Exits." Academy of Management Journal 65, no. 2 (April 2022): 371–402.
      • March 2022 (Revised May 2022)
      • Case

      Winning Business at Russell Reynolds (A)

      By: Ethan Bernstein and Cara Mazzucco
      In an effort to make compensation drive collaboration, Russell Reynolds Associates’ (RRA) CEO Clarke Murphy sought to re-engineer the bonus system for his executive search consultants in 2016. As his HR analytics guru, Kelly Smith, points out, that risks upsetting–and...  View Details
      Keywords: Compensation; Collaboration; Executive Search Firms; Consulting Firms; Compensation and Benefits; Restructuring; Human Resources; Human Capital; Management Practices and Processes; Organizational Culture; Organizational Change and Adaptation; Social and Collaborative Networks; Recruitment; Selection and Staffing; Talent and Talent Management; Consulting Industry; Employment Industry; Asia; Europe; Latin America; Middle East; North and Central America; South America; Oceania
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      Bernstein, Ethan, and Cara Mazzucco. "Winning Business at Russell Reynolds (A)." Harvard Business School Case 422-045, March 2022. (Revised May 2022.)
      • March 2022
      • Supplement

      Winning Business at Russell Reynolds (B)

      By: Ethan Bernstein and Cara Mazzucco
      In an effort to make compensation drive collaboration, Russell Reynolds Associates’ (RRA) CEO Clarke Murphy sought to re-engineer the bonus system for his executive search consultants in 2016. As his HR analytics guru, Kelly Smith, points out, that risks upsetting–and...  View Details
      Keywords: Compensation; Collaboration; Executive Search Firms; Consulting Firms; Compensation and Benefits; Restructuring; Human Resources; Human Capital; Management Practices and Processes; Organizational Culture; Organizational Change and Adaptation; Social and Collaborative Networks; Recruitment; Selection and Staffing; Talent and Talent Management; Consulting Industry; Employment Industry; Asia; Europe; Latin America; Middle East; North and Central America; South America; Oceania
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      Bernstein, Ethan, and Cara Mazzucco. "Winning Business at Russell Reynolds (B)." Harvard Business School Supplement 422-046, March 2022.
      • February 2022
      • Case

      NFX Capital and Moov Technologies

      By: Scott Duke Kominers and Nicole Tempest Keller
      In July 2019, James Currier, a general partner at San Francisco-based NFX Ventures, was considering a seed stage investment of $1.5 million in Moov Technologies, a B2B marketplace for used industrial equipment. NFX was a venture capital firm focused on seed-stage...  View Details
      Keywords: Venture Capital; Network Effects; Marketplace Matching; Digital Platforms; Market Design; Applications and Software; Semiconductor Industry; Financial Services Industry; San Francisco
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      Kominers, Scott Duke, and Nicole Tempest Keller. "NFX Capital and Moov Technologies." Harvard Business School Case 822-045, February 2022.
      • December 2021
      • Article

      Cash-for-Information Whistleblower Programs: Effects on Whistleblowing and Consequences for Whistleblowers

      By: Aiyesha Dey, Jonas Heese and Gerardo Pérez Cavazos
      We study the effect of financial incentives on whistleblowing and the consequences for whistleblowers under the cash-for-information program of the False Claims Act (FCA). Exploiting appeals-court decisions that increase financial incentives for whistleblowing, we find...  View Details
      Keywords: Whistleblowers; Cash-for-information Whistleblower Programs; False Claims Act; Corporate Misconduct; Consequences For Whistleblowers; Crime and Corruption; Information; Cost
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      Dey, Aiyesha, Jonas Heese, and Gerardo Pérez Cavazos. "Cash-for-Information Whistleblower Programs: Effects on Whistleblowing and Consequences for Whistleblowers." Journal of Accounting Research 59, no. 5 (December 2021): 1689–1740.
      • 2021
      • Chapter

      Generating Social Entrepreneurship Knowledge: International Research Collaboration on a Hemispheric Level

      By: James E. Austin, Gabriel Berger, Rosa Amelia González, Roberto Gutiérrez, Iván D. Lobo and Alfred Vernis
      Provide insights on how social entrepreneurship (SE) knowledge can be more effectively generated by universities through the entrepreneurial creation and effective management of a knowledge network centered on international collaborative research; illuminate how one...  View Details
      Keywords: Social Entrepreneurship; Knowledge; Networks; Collaborative Innovation and Invention; Global Range
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      Austin, James E., Gabriel Berger, Rosa Amelia González, Roberto Gutiérrez, Iván D. Lobo, and Alfred Vernis. "Generating Social Entrepreneurship Knowledge: International Research Collaboration on a Hemispheric Level." In Social Entrepreneurship. Vol. 5, edited by David Wasieleski and James Weber. Business and Society 360. Bingley, UK: Emerald Publishing Limited, 2021.
      • November 2021 (Revised January 2022)
      • Case

      Scott Tucker (A): Race to the Top

      By: Aiyesha Dey and Amram Migdal
      The case tells the story of the rise and fall of Scott Tucker, an entrepreneur, businessman, passionate race car driver, competitor, and owner of a professional racing team. From 1997 to 2012, Tucker built a nationwide network of payday lending businesses, becoming a...  View Details
      Keywords: Business Ventures; Crime and Corruption; Ethics; Fairness; Financing and Loans; Personal Finance; Governance; Corporate Accountability; Corporate Governance; Governance Compliance; Governance Controls; Financial Services Industry; United States
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      Dey, Aiyesha, and Amram Migdal. "Scott Tucker (A): Race to the Top." Harvard Business School Case 122-009, November 2021. (Revised January 2022.)
      • November 2021 (Revised January 2021)
      • Supplement

      Scott Tucker (B): The Feds Catch Up

      By: Aiyesha Dey and Amram Migdal
      The case tells the story of the rise and fall of Scott Tucker, an entrepreneur, businessman, passionate race car driver, competitor, and owner of a professional racing team. From 1997 to 2012, Tucker built a nationwide network of payday lending businesses, becoming a...  View Details
      Keywords: Business Ventures; Crime and Corruption; Ethics; Fairness; Financing and Loans; Personal Finance; Governance; Corporate Accountability; Corporate Governance; Governance Compliance; Governance Controls; Financial Services Industry; United States
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      Dey, Aiyesha, and Amram Migdal. "Scott Tucker (B): The Feds Catch Up." Harvard Business School Supplement 122-032, November 2021. (Revised January 2021.)
      • November 2021
      • Supplement

      Ant Group (B)

      By: Krishna G. Palepu, Feng Zhu and Susie L. Ma
      Keywords: Information Technology; Value Creation; Network Effects; Strategy; Disruptive Innovation; Technology Industry; Financial Services Industry; China
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      Palepu, Krishna G., Feng Zhu, and Susie L. Ma. "Ant Group (B)." Harvard Business School Supplement 122-040, November 2021.
      • 2021
      • Working Paper

      Friends and Family Money: P2P Transfers and Financially Fragile Consumers

      By: Tetyana Balyuk and Emily Williams
      We assess the impact that real time money transfer technology has on consumer outcomes, particularly during periods of financial fragility. We do this by developing a new data set that documents use of Zelle—the most widely used P2P money transfer technology in the...  View Details
      Keywords: P2P Money Transfers; Real Time Payments; Fintech; Finance; Information Technology; Personal Finance; Financial Condition
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      Balyuk, Tetyana, and Emily Williams. "Friends and Family Money: P2P Transfers and Financially Fragile Consumers." Working Paper, November 2021.
      • November 2021
      • Article

      Ratings, Reviews, and the Marketing of New Products

      By: Itay P. Fainmesser, Dominique Olié Lauga and Elie Ofek
      We study how user-generated content (UGC) about new products impacts a firm's advertising and pricing decisions and the effect on profits and market dynamics. We construct a two-period model where consumers value quality and are heterogeneous in their taste for the new...  View Details
      Keywords: Online Reviews; Product Ratings; Social Networks; Word Of Mouth; Pricing; User-generated Content; Advertising; Product Marketing; Price; Consumer Behavior; Product Positioning; Social Media
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      Fainmesser, Itay P., Dominique Olié Lauga, and Elie Ofek. "Ratings, Reviews, and the Marketing of New Products." Management Science 67, no. 11 (November 2021): 7023–7045.
      • October 19, 2021
      • Article

      The Facebook Trap

      By: Andy Wu
      Facebook has a clear mission: Connect everyone in the world. Clarity is good, but in Facebook’s case, it has also put the company in a bind because the mission—and the company’s vision for creating value through network effects—has also become the source of its biggest...  View Details
      Keywords: Business And Society; Mission and Purpose; Network Effects; Value Creation; Corporate Accountability; Strategy
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      Wu, Andy. "The Facebook Trap." Harvard Business Review Digital Articles (October 19, 2021).
      • October 2021
      • Case

      Ant Group (A)

      By: Krishna G. Palepu, Feng Zhu, Susie L. Ma and Kerry Herman
      In 2004, Chinese e-commerce company Alibaba created Alipay, an app to facilitate payments on its e-commerce sites. As Alibaba grew, so did Alipay, until Alipay spawned its own ecosystem of financial technology products and services under the name of Ant Group. By 2020,...  View Details
      Keywords: Information Technology; Value Creation; Network Effects; Strategy; Disruptive Innovation; Technology Industry; Financial Services Industry; China
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      Palepu, Krishna G., Feng Zhu, Susie L. Ma, and Kerry Herman. "Ant Group (A)." Harvard Business School Case 122-003, October 2021.
      • September 2021
      • Article

      Network Interconnectivity and Entry into Platform Markets

      By: Feng Zhu, Xinxin Li, Ehsan Valavi and Marco Iansiti
      Digital technologies have led to the emergence of many platforms in our economy today. In certain platform networks, buyers in one market purchase services from providers in many other markets, whereas in others, buyers primarily purchase services from providers within...  View Details
      Keywords: Network Interconnectivity; Platform Competition; Market Entry; Networks; Digital Platforms; Competition; Market Entry and Exit
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      Zhu, Feng, Xinxin Li, Ehsan Valavi, and Marco Iansiti. "Network Interconnectivity and Entry into Platform Markets." Information Systems Research 32, no. 3 (September 2021): 1009–1024.
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